| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MTX | Common Stock | Options Exercise | $693,466 | +16,795 | +20% | $41.29 | 100,647 | 02 Dec 2022 | Direct | |
| transaction | MTX | Common Stock | Sale | $994,108 | -15,908 | -16% | $62.49 | 84,739 | 02 Dec 2022 | Direct | F1 |
| transaction | MTX | Common Stock | Sale | $55,907 | -887 | -1% | $63.03 | 83,852 | 02 Dec 2022 | Direct | F2 |
| holding | MTX | Common Stock | 2,976 | 02 Dec 2022 | By 401(k) | F3 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MTX | Employee Stock Option (Right to Buy) | Options Exercise | $0 | -16,795 | -100% | $0.000000* | 0 | 02 Dec 2022 | Common Stock | 16,795 | $41.29 | Direct | F4 |
| Id | Content |
|---|---|
| F1 | Weighted average price representing high of $62.925 and low of $61.93. |
| F2 | Weighted average price representing high of $63.16 and low of $62.93. |
| F3 | The information contained in this report is based on a Plan Statement dated as of December 2, 2022. |
| F4 | The options vested n three equal annual installments beginning on January 22, 2014. |